English

Adjective

conclusory ‎(comparative more conclusory, superlative most conclusory)

1. Of or pertaining to a conclusion; conclusive. [from 1846 through early 20th century]
2. (law) Offering a conclusion with seriously deficient support in fact or logic; begging the question. [from 1923]

   These claims are conclusory and unsupported by any specific allegations, let alone evidence.

References

• conclusory at OneLook Dictionary Search
• “conclusory” in Douglas Harper, Online Etymology Dictionary (2001).
• "While Effusive, 'Conclusory' is Still Quite Elusive: The Story of a Word, Iqbal, and a Perplexing Lexical Inquiry of Supreme Importance", Donald J. Kochan, April 3, 2013, University of Pittsburgh Law Review, Vol. 73, No. 2, 2011